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Position measurement of a levitated nanoparticle via interference with its mirror image
Lorenzo Dania, Katharina Heidegger, Dmitry S. Bykov +3
Interferometric methods for detecting the motion of a levitated nanoparticle provide a route to the quantum ground state, but such methods are currently limited by mode mismatch be…
Towards a deterministic interface between trapped-ion qubits and travelling photons
Josef Schupp, Vojtech Krcmarsky, Victor Krutyanskiy +3
Experimental results are presented on the efficiency limits for a quantum interface between a matter-based qubit and a photonic qubit. Using a trapped ion in an optical cavity, we…
Heating of a trapped ion induced by dielectric materials
Markus Teller, Dario A. Fioretto, Philip C. Holz +8
Electric-field noise due to surfaces disturbs the motion of nearby trapped ions, compromising the fidelity of gate operations that are the basis for quantum computing algorithms. W…
Position measurement of a dipolar scatterer via self-homodyne detection
G. Cerchiari, L. Dania, D. S. Bykov +2
We describe a technique to measure the position of a dipolar scatterer based on self-homodyne detection of the scattered light. The method can theoretically reach the Heisenberg li…